Description
Iridescent Caloceras johnstoni Ammonite Fossil
Identification and Geological Context
This specimen is identified as Caloceras johnstoni, an ammonite fossil associated with the Jurassic Blue Lias and collected at Watchet, Somerset, UK. Its iridescent appearance gives the fossil a distinctive visual quality, making it an appealing addition to a collection focused on ammonites, Jurassic fossils or British geological specimens.
Ammonites were extinct marine cephalopods with coiled shells. Their fossils are especially valued by collectors because the spiral form, chambered shell structure and variation in surface appearance provide a direct connection to ancient marine environments. Caloceras johnstoni belongs within this wider ammonite group, and its identification makes it a particularly interesting specimen for collectors who enjoy named fossil taxa rather than only general fossil material.
Blue Lias and Watchet, Somerset
The supplied geological association is the Blue Lias, Jurassic, with the specimen collected at Watchet in Somerset, UK. Watchet is a well-known location for fossil collecting interest, and Somerset material is popular with collectors of British Jurassic fossils. The combination of a named ammonite, a Jurassic association and a UK collecting locality gives this specimen useful geological and educational interest for display, study and personal collections.
Appearance and Collector Interest
The iridescent surface is the defining visual feature of this Caloceras johnstoni ammonite fossil. Iridescent fossil surfaces can display changing tones as the specimen is viewed under different lighting or from different angles, adding depth and character to a display. The fossil is suitable for an ammonite collection, Jurassic fossil cabinet, geology-themed display or educational setting where named specimens and British localities are appreciated.
The specimen has been cleaned, prepared and treated by Alison following its discovery by the collecting team. This makes it ready to enjoy as a display specimen while retaining its interest as a collected geological object.
Collection and Preparation
Your specimen was discovered by our own team members, Alister and Alison, and has been cleaned, prepped and treated by Alison.
Sizing and Photographs
Full sizing is shown in the photographs.
The photograph shows the actual specimen you will receive.
Certificate of Authenticity
This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.
This named Jurassic ammonite is a strong choice for collectors seeking an iridescent Caloceras johnstoni fossil from the Blue Lias association and Watchet, Somerset, UK. It can be displayed alongside other ammonites, British fossils and Jurassic specimens to create a focused geological collection.
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